Security through
hands-on practice.
Gaurav Kumar is a cybersecurity practitioner and the founder of VulnOS. As Founder & Head of Security, he leads the platform’s security direction, practical lab design, and engineering.
His background spans web application vulnerability assessment and penetration testing, vulnerability validation and remediation, security automation, and OT/ICS training environments. His professional experience includes VAPT work at La Fiesto Party Services and cybersecurity lab engineering at OPSWAT Academy.
At VulnOS, he has built the learner and educator experiences alongside cloud lab infrastructure, tenant isolation, and lab orchestration, bringing security concepts into practical environments that learners can investigate and understand.